fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=posixaio, iodepth=8
...
fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=posixaio, iodepth=8
Starting 3 threads
Threads: 3
Threads: 3
Threads: 3: [mmm] [33.3% done] [ 14765/ 46300 kb/s] [eta 00m:06s]
Threads: 3: [mFm] [50.0% done] [  9066/ 53561 kb/s] [eta 00m:04s]
Threads: 3: [mFF] [62.5% done] [  1423/ 44466 kb/s] [eta 00m:03s]
Threads: 3: [FFF] [100.0% done] [     0/  9810 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=9582, got signal=6
Threads: 2: [VV_] [81.2% done] [ 41577/     0 kb/s] [eta 00m:03s]
Threads: 2: [VV_] [100.0% done] [ 56497/     0 kb/s] [eta 00m:00s]
Threads: 2: [VV_] [100.0% done] [ 59040/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=9579
  read : io=100MiB, bw=6,832KiB/s, runt= 15348msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  323, avg=27.46, stdev=48.65
    bw (KiB/s) : min=    9, max=42090, per=81.29%, avg=12250.60, stdev=12879.20
  write: io=80,576KiB, bw=6,673KiB/s, runt= 12363msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  147, avg= 1.10, stdev= 8.68
    bw (KiB/s) : min=    0, max=56639, per=94.33%, avg=19637.50, stdev=25206.06
  cpu          : usr=11.26%, sys=4.59%, ctx=10981
  IO depths    : 1=41.4%, 2=22.3%, 4=22.2%, 8=14.1%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=52.3%, 4=11.6%, 10=18.3%, 20=3.9%, 50=2.3%, 100=5.2%
     lat (msec): 250=6.2%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=9580
  read : io=100MiB, bw=6,739KiB/s, runt= 15558msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  267, avg=19.11, stdev=41.06
    bw (KiB/s) : min=   23, max=34415, per=102.76%, avg=15485.45, stdev=14561.93
  write: io=92,552KiB, bw=7,670KiB/s, runt= 12355msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  195, avg= 1.44, stdev=11.59
    bw (KiB/s) : min=    0, max=59138, per=122.44%, avg=25490.50, stdev=24654.46
  cpu          : usr=12.37%, sys=5.14%, ctx=9811
  IO depths    : 1=32.9%, 2=33.1%, 4=24.0%, 8=9.9%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=54.7%, 4=15.6%, 10=18.2%, 20=3.1%, 50=0.8%, 100=2.6%
     lat (msec): 250=4.7%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=9582
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=17.6%, 2=66.7%, 4=2.1%, 8=13.6%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=76.4%, 4=6.9%, 10=0.6%, 20=0.4%, 50=0.6%, 100=8.0%
     lat (msec): 250=6.5%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=224MiB, aggrb=15,070KiB/s, minb=0KiB/s, maxb=6,832KiB/s, mint=0msec, maxt=15558msec
  WRITE: io=245MiB, aggrb=20,818KiB/s, minb=0KiB/s, maxb=7,670KiB/s, mint=0msec, maxt=15558msec

Disk stats (read/write):
  cciss!c0d0: ios=4466/3088, merge=964/59776, ticks=36892/1375068, in_queue=1411944, util=98.15%
5.01user 2.07system 0:15.83elapsed 44%CPU (0avgtext+0avgdata 0maxresident)k
555216inputs+502720outputs (0major+2454minor)pagefaults 0swaps